On Mon, Feb 14, 2022 at 05:34:49PM +0100, Arnd Bergmann wrote: > -/* > - * Sparc64 is segmented, though more like the M68K than the I386. > - * We use the secondary ASI to address user memory, which references a > - * completely different VM map, thus there is zero chance of the user > - * doing something queer and tricking us into poking kernel memory. Actually, this part of comment probably ought to stay - it is relevant for understanding what's going on (e.g. why is access_ok() always true, etc.)
